package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController("adminDishController")
@RequestMapping("/admin/dish")
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @PostMapping
    public Result save(@RequestBody DishDTO dishDTO){

        dishService.saveWithFlavor(dishDTO);

        //清理该id的缓存数据
        String key = "dish_" + dishDTO.getCategoryId();
        cleanCache(key);

        return Result.success();
    }

    /**
     * 菜品分页查询
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){

        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return   Result.success(pageResult);
    }


    /**
     * 删除菜品
     * @param ids
     * @return
     */
    @DeleteMapping
    public Result delete(@RequestParam List<Long> ids){
        dishService.delete(ids);

        // 清理所有以“dish_”开头的缓存数据
        cleanCache("dish_*");



        return Result.success();
    }

    /**
     * 根据id查询菜品和对应的口味数据
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public Result<DishVO> getById(@PathVariable Long id){
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }




    /**
     * 修改菜品
     * @param dishDTO
     * @return
     */
    @PutMapping
    public Result update(@RequestBody DishDTO dishDTO){
        dishService.updateWithFlavor(dishDTO);

        // 清理所有以“dish_”开头的缓存数据
        cleanCache("dish_*");

        return Result.success();
    }

    /**
     * 批量起售停售
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    public Result startOrStop(@PathVariable Integer status,Long id){
        dishService.startOrStop(status,id);

        // 清理所有以“dish_”开头的缓存数据
        cleanCache("dish_*");

        return Result.success();
    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    public Result<List<Dish>> list(Long categoryId){

        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }

    /**
     * 清理缓存数据
     * @param pattern
     */
    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }

}
